Certified Floodplain Manager (CFM)
Exam 2025 Comprehensive Questions
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Types of floodplains - (ANSWER)Riverine, coastal, and shallow
Watershed - (ANSWER)area that drains into a lake, stream, or body of water. Also
called basin or catchment area.
Channel - (ANSWER)Ground features that carry water through and out of a
watershed
Riverine Flooding - (ANSWER)flooding that occurs along a channel
Flash flooding - (ANSWER)flooding that occurs in hilly and mountainous areas
that may come scant minutes after a heavy rainfall. One can also occur in urban
areas where pavements and drainage improvements speed runoff to a stream.
Overbank Flooding - (ANSWER)The most common type flooding in the US. It
occurs when downstream channels receive more rain or snowmelt than normal,
or a channel is blocked by ice or debris. Excess water overloads the channels and
flows out onto the floodplain
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Velocity - (ANSWER)One measure of a flood is the speed of moving water.
Measured in feet per second
Thalweg - (ANSWER)The channel bottom
Meander - (ANSWER)a curve in the channel. The outside bank of the meander is
subject to erosion, the inside bank is subject to deposits
Accrete - (ANSWER)to build up a shoreline by depositing sand, either by nature or
human actions
Actual Cash Value - (ANSWER)The replacement cost for a building, minus a
depreciation percentage based on age and condition.
Alluvial Fan - (ANSWER)An area at the base of a valley where the slope flattens
out, allowing the floodwater to decrease in speed and spread out, dropping
sediment and rock over a fan-shaped area.
Amendment - (ANSWER)A change to a FEMA floodplain map that removes an
area that was inadvertently included in the Special Flood Hazard Area
Approximate studies - (ANSWER)Flood hazard mapping done using approximate
study methods that show the approximate outline of the base floodplain. An
approximate study does not produce a base flood elevation.
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Base Flood Depth - (ANSWER)A measurement of the base flood in feet above
ground, used for shallow flooding
Basement - (ANSWER)Any area of the building having its flood subgrade (below
ground level) on all sides
Base floodplain - (ANSWER)the area of water and land inundated by the base
flood
Basin - (ANSWER)Also known as a Watershed, an area that drains into a lake,
stream or other body of water.
Bathymetry - (ANSWER)The measurement of depths of water in the ocean or
lakes
Bench marks - (ANSWER)Monuments on the ground that show the elevation of
the spot above sea level. Also called Elevation Reference Marks.
Building - (ANSWER)A walled and roofed structure including a gas or liquid
storage tank that is principally above ground as well as a manufactured home.
Also known as structure
Building Condition Survey - (ANSWER)A windshield survey conducted to obtain a
preliminary evaluation of the extent and severity of damage to buildings after a
disaster